<?php

class Engine_Db_UpgradeSchema {
	
	protected $db;
	
	public function __construct($db) {
		if ($db != null)
			$this->db = $db;
		else 
			$this->db = null;	
		$this->init();
	} 
	
	public function init() {
		
	}
	
	public function upgradeSchema() {
		$result = false;
		if ($this->db != null) {
			$result = true;
		}
		return $result;
	}
	
}

?>